CVE-2017-7818
CRITICAL9.8EPSS 6.9%Published: 6/11/2018Modified: 4/28/2026
Also known as:DEBIAN-CVE-2017-7818
Description
A use-after-free vulnerability can occur when manipulating arrays of Accessible Rich Internet Applications (ARIA) elements within containers through the DOM. This results in a potentially exploitable crash. This vulnerability affects Firefox < 56, Firefox ESR < 52.4, and Thunderbird < 52.4.
Affected packages (2)
- Debian/firefox-esrfrom 0, < 52.4.0esr-2
- Debian/thunderbirdfrom 0, < 1:52.4.0-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | CRITICAL9.8 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |